Self-holding heat sink for electronic devices



FIG. 1 is a perspective view of a self-holding heat sink for electronic devices showing my new design, the electronic device being shown in broken lines for illustrative purposes only;

FIG. 2 is a top plan view of the same heat sink;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a perspective view of a self-holding heat sink for electronic devices showing a modified form of my new design; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a self-holding heat sink for electronic devices, substantially as shown and described. 